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3-Digit by 1-Digit Multiplication Worksheet

Mental maths lesson 22: Multiply 3-digit by 1-digit, hundreds first · Set 718 · 40 questions
TalentJR

How to do it in your head (Biggest part first): Split the 3-digit number into hundreds, tens and ones. Multiply the hundreds and keep that number in your head. Multiply the tens and add, then multiply the ones and add.

NameDateTime takenScore ___ / 40
  1. 1.763 × 6 =
  2. 2.577 × 3 =
  3. 3.234 × 3 =
  4. 4.712 × 5 =
  5. 5.382 × 8 =
  6. 6.897 × 4 =
  7. 7.254 × 7 =
  8. 8.135 × 8 =
  9. 9.621 × 5 =
  10. 10.141 × 4 =
  11. 11.172 × 3 =
  12. 12.137 × 8 =
  13. 13.899 × 5 =
  14. 14.684 × 6 =
  15. 15.825 × 3 =
  16. 16.324 × 9 =
  17. 17.157 × 6 =
  18. 18.267 × 9 =
  19. 19.787 × 9 =
  20. 20.251 × 8 =
  21. 21.816 × 6 =
  22. 22.442 × 5 =
  23. 23.483 × 3 =
  24. 24.134 × 6 =
  25. 25.139 × 7 =
  26. 26.591 × 5 =
  27. 27.496 × 6 =
  28. 28.969 × 8 =
  29. 29.442 × 4 =
  30. 30.224 × 3 =
  31. 31.528 × 6 =
  32. 32.931 × 7 =
  33. 33.786 × 7 =
  34. 34.729 × 8 =
  35. 35.598 × 3 =
  36. 36.442 × 3 =
  37. 37.777 × 8 =
  38. 38.127 × 9 =
  39. 39.494 × 6 =
  40. 40.194 × 9 =

Answer key

  1. 4578
  2. 1731
  3. 702
  4. 3560
  5. 3056
  6. 3588
  7. 1778
  8. 1080
  9. 3105
  10. 564
  11. 516
  12. 1096
  13. 4495
  14. 4104
  15. 2475
  16. 2916
  17. 942
  18. 2403
  19. 7083
  20. 2008
  21. 4896
  22. 2210
  23. 1449
  24. 804
  25. 973
  26. 2955
  27. 2976
  28. 7752
  29. 1768
  30. 672
  31. 3168
  32. 6517
  33. 5502
  34. 5832
  35. 1794
  36. 1326
  37. 6216
  38. 1143
  39. 2964
  40. 1746

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